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ISO 3705-1976

工业用硫磺 砷含量的测定 二乙基二硫代氨基甲酸银光度法

Sulphur for industrial use -- Determination of arsenic content -- Silver diethyldithiocarbamate photometric method

适用范围:Applicable to products having As contents equal or more than 0.5 mg/kg. In a well-ventilated cupboard, dissolution of a test portion in carbon tetrachloride. Oxidation of sulphur by bromine and nitric acid. Heating in a boiling water bath to eliminate the exess of bromine, carbon tetrachloride and nitric acid. The analysis is carried out according to ISO 2590. The replacement of some reagents shall be noted.

发布日期: 1976-09-01

实施日期: 1976-09-01

中标分类号: G10 - 化工 - 无机化工原料综合

ICS分类号: 71.060.10 - 化工技术 - 化学元素

标准组织: ISO - 国际标准化组织标准

全文来源: WF

中文关键词: 化学分析 化学分析和试验 分光光度法 分光光度测量分析 含量测定

语种: 汉语

页数: 2

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